#!/bin/sh

export PATH

# mount volatile filesystems
mount -t proc proc /proc
mount -t sysfs sysfs /sys
mount -t devtmpfs udev /dev
mkdir /dev/pts
mount -n -t devpts -o gid=5,mode=620 none /dev/pts

# enumerate devices, autoload modules where needed
udevd --daemon
udevadm trigger
udevadm settle

# / needs permissions!?
chmod a+rx /

# local disk for scratch
mount /dev/sda1 /scratch

# minimega needs
modprobe loop
modprobe tun
modprobe nbd max_part=10
modprobe kvm-intel

# bump open file handle limits
ulimit -n 999999

# bond all 10G interfaces
#modprobe bonding
for i in `ls /sys/class/net | grep eth10G`;
do
	#ifenslave bond0 $i
	NETS="${NETS} $i"
	ifconfig $i up
done

echo "bonding nets $NETS"

# setup a minimega bridge with the 10G interface trunked and bring up other interfaces
modprobe openvswitch_mod
/etc/init.d/openvswitch-switch start
ovs-vsctl add-br mega_bridge
ovs-vsctl set Bridge mega_bridge stp_enable=false
#ovs-vsctl add-port mega_bridge eth10G
#ovs-vsctl add-port mega_bridge bond0
numnets=`ls /sys/class/net | grep eth10G | wc -l`
if [ $numnets -eq 1 ]
then
	ovs-vsctl add-port mega_bridge $NETS
else
	ovs-vsctl add-bond mega_bridge bond0 $NETS lacp=active
	ovs-vsctl set port bond0 bond_mode=balance-tcp  
fi

ifconfig lo up
#ifconfig eth10G up 0.0.0.0
dhclient -v mega_bridge
dhclient -v eth0

# ssh
mkdir /var/run/sshd
/usr/sbin/sshd

# ntp
/etc/init.d/ntp start

# arp tuning
echo 32768 > /proc/sys/net/ipv4/neigh/default/gc_thresh1
echo 32768 > /proc/sys/net/ipv4/neigh/default/gc_thresh2
echo 65536 > /proc/sys/net/ipv4/neigh/default/gc_thresh3
echo 32768 > /proc/sys/net/ipv6/neigh/default/gc_thresh1
echo 32768 > /proc/sys/net/ipv6/neigh/default/gc_thresh2
echo 65536 > /proc/sys/net/ipv6/neigh/default/gc_thresh3

# attach a real tty to the console
setsid sh -c 'exec sh </dev/tty1 >/dev/tty1 2>&1'
